關於「Define dubious」標籤，搜尋引擎有相關的訊息討論：

Dubious Definition & Meaning - Merriam-Websterwww.merriam-webster.com › dictionary › dubiousDUBIOUS | English meaning - Cambridge Dictionarydictionary.cambridge.org › dictionary › english › dubiousDubious - Definition, Meaning & Synonyms - Vocabulary.comwww.vocabulary.c